Linux command to find a specific line in file and add new lines below it

StackOverflow https://stackoverflow.com/questions/22616552

  •  20-06-2023
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Question

I am trying to build a Linux command to find a line in file and add more lines below that line. For example search for "Application" in a file, then get the line where this word is and add three more lines below it. I am currently using the absolute line number as in "sed -i '51icolumn1, column2, column3' test.txt" but if something change in this file I might be adding the text in a wrong place.

Was it helpful?

Solution

Would

sed -i '/Application/a column1, column2, column3\ncolumn1, column2, column3' test.txt

solve your issue?

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